AirDog II-5G A7SABC509 DF-165-5G Air/Fuel Separation System 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM

PureFlow AirDog II-5G A7SABC509 DF-165-5G Air/Fuel Separation System - 6.6L Duramax LMM

Auto Diesel Systems brings you the latest evolution in diesel fuel delivery—the PureFlow AirDog II-5G. Engineered specifically for 6.6L Duramax LMM engines, this air/fuel separation system sets a new standard for performance, reliability, and refinement.

Why Auto Diesel Systems Recommends the AirDog II-5G:

The foundation of any high-performance diesel build starts with clean, consistent fuel delivery. The AirDog II-5G doesn't just pump fuel—it removes air, vapor, and contaminants before they reach your injectors, protecting your fuel system while maximizing power and efficiency.

Key Features:

• Whisper-Quiet Operation: The quietest AirDog system ever engineered—minimal noise, maximum performance
• 165 GPH Flow Rate: More than enough capacity to support stock and modified 6.6L Duramax LMM applications
• Advanced Air/Fuel Separation: Removes entrained air and vapor that rob power and damage injectors
• Extended Service Life: Built with premium components for long-term durability and reliability
• Improved Throttle Response: Consistent fuel pressure delivers crisp, immediate power delivery

What It Does:

• Eliminates air and vapor from your fuel supply
• Maintains optimal fuel pressure under all conditions
• Protects expensive injectors from contamination and cavitation
• Supports increased horsepower demands from tuning and modifications
• Extends injector and fuel system component life

Fitment:

• 2001-2010 GM Silverado/Sierra with 6.6L Duramax LB7/LLY/LBZ/LMM diesel engines
• Model: A7SABC509 DF-165-5G